methyl 5-piperazin-1-ylpentanoate

1,4-bis(3-phenoxypropyl)piperazine

1-N,4-N-bis(4-chlorophenyl)piperazine-1,4-dicarboxamide

[4-(2-aminobenzoyl)piperazin-1-yl]-(2-aminophenyl)methanone

8-chloro-10-(3-piperazin-1-ylpropyl)phenothiazin-3-ol